Electric arc device



Nov. 24, 1925 L c. A a. HALVQRSQN, m

ELECTRIC ARC DEVI GE Filed sapt.- 2f?. 1922 His Attorney,-

Seid electrodes, and means eonstrnezed io receive :r part of said material when rire device is tilted and providing :i eeniiui; whereby the received material may be pregfeci'fed 'ibo bridge the gap between sind i .rating pesitien @fiber hai-'ing been luilled. in :iro cle-rige ceniprising :1 Sealed en 'Jeiope, .refractory electrodes therein separrizfel by e, grip, mee-ns for containing; :i column. of mercury, and a conduit leerling bhererom o ir pit-int opposite sn-irl electrodes :'or Yi;ereril 'y briflgjii.` the gzip between lire saine by e slream e' mercury to start en are eeriiss grip. f

3. An mrc devie comprising sealed en- Tfclope, electrodee berein consisting of ii refractory metri, a duct located adjacent said electrodes, sind :i reerveir in said envelope located above seid elecrodes for renewirbly supplying Seid (iuci: with mercury at suicient heed to project streams of mercury imo `ceifiiiiec wih seid electrodes.

Ain, electric lamp comprising a bulb, electrodes therein consisting of refractory ce @des nen the device is restored to zinconducting material and separated by :i gap, ai filling' of conductive liquid in said bulb which is gaseous :it the operating iemperuture of said bulb :1nd means for producing in seid bulb ii. column of Suid material which when released will flow b v gravity, bride` ing he gzip between said electrodes to shirt, :i discharge between said electrodes.

An electric lump comprising a bulb,

electrodes of re'frnclory nuiferiul iherein, :i i.

body of mercury, n reservoir in said bulb CROMWELL A. B. HALVORSON, lr.

Al G 

